Armrest for a folding chair



FIG. 1 is a perspective view of an armrest for a folding chair in accordance with the present invention;

FIG. 2 is a reduced top view thereof;

FIG. 3 is a reduced bottom view thereof;

FIG. 4 is a reduced front view thereof;

FIG. 5 is a reduced rear view thereof;

FIG. 6 is a reduced left side view thereof; and,

FIG. 7 is a reduced right side view thereof.

The broken line shown in FIG. 3 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an armrest for a folding chair, as shown. 